Bizarre Patents
An aircraft having vertical takeoff and landing capability provided with at least first and second laterally extending paddle wheels rotatable on a central axis perpendicular to the longitudinal axis of the aircraft fuselage and between its nose and tail.
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| Number | Title | Issue Date |
| 8182215 | Electric blower An electric blower includes an electric motor, a first fan, a second fan, a first casing and a second casing. The electric motor includes a motor body and a rotation shaft extending from the motor body only on one axial side of the motor body. The first fan is locat... | 05/22/2012 |
| 8182214 | Pond pump A pond pump comprising an impeller (2) which rotates about an axis of rotation (X) within a pump housing (1). The pump housing (1) comprises a suction inlet (11) that is coaxial to the impeller (2), a pressure outlet (14) fo... | 05/22/2012 |
| 8167550 | Blower unit A blower unit includes a rotation shaft, a centrifugal fan and a casing. The centrifugal fan has blades arranged around the rotation shaft. The casing has a wall part defining an opening. The ring part has a ring shape having a center coinciding with an axis of the ... | 05/01/2012 |
| 8157516 | Compressor wheel housing An exemplary compressor wheel housing for a turbocharger compressor wheel includes a substantially cylindrical shroud surface definable with respect to a radial dimension and an axial dimension along a rotational axis of a compressor wheel with an origin coincident ... | 04/17/2012 |
| 8100642 | Centrifugal blower A centrifugal blower includes a housing (10), a cover (30) arranged on the housing, and an impeller (20) received in a space (25) formed between the housing and the cover. The housing includes a bottom wall (11) and a sidewall (... | 01/24/2012 |
| 8083477 | Centrifugal fan A centrifugal fan includes a plurality of blades, a casing and a tongue. The casing includes a base plate perpendicular to a rotation axis of the blades and a sidewall extending upwardly from the base plate. The base plate and the sidewall cooperatively define a spa... | 12/27/2011 |
| 8075263 | Fan motor assembly and air guide apparatus thereof An air guide apparatus includes a body installed at a discharge side of a rotary fan for sucking air, a plurality of first vanes arranged at one surface of the body to guide air sucked by the rotary fan toward the outer circumferential surface of the body, and a plu... | 12/13/2011 |
| 8057168 | Fan and its impeller and housing A fan includes an impeller and a housing. The housing includes a base portion and a sidewall portion disposed around and connected with the base portion. A plurality of first recesses are disposed at a connection between the base portion and the sidewall portion, an... | 11/15/2011 |
| 8038391 | Vortex blower In the present invention, a partition wall which partitions a discharge port and a suction port provided on a static passage, in the rotating direction, has a discharge side shape which is identical with the shape of blades, and has a positional relationship in whic... | 10/18/2011 |
| 8029237 | Centrifugal fan and housing thereof A centrifugal fan. The centrifugal fan has at least one air inlet and one air outlet, and at least one set of rotor blades. A sidewall extends downward from an inner margin of the air inlet to define an air-gathering chamber in the housing of the centrifugal fan for... | 10/04/2011 |
| 8025478 | Centrifugal pump An impeller plate of an impeller of a centrifugal pump, particularly a channel impeller pump, for pumping liquids with solid or gaseous admixtures, is provided with at least one wide vane that is displaced toward the impeller drive by a distance D so that the... | 09/27/2011 |
| 8025479 | Impeller A pump impeller for a centrifugal pump. The impeller is defined by a shroud rotatable about an axis of rotation. At least two pump vanes extend axially from the shroud, each of the vanes configured as a blunted tear drop shape and having an inside wall and an outsid... | 09/27/2011 |
| 8016556 | Centrifugal fan A centrifugal fan includes a motor having an impeller and a housing for accommodating the motor. The housing has a sidewall surrounding an outer circumference of the impeller. An air inlet is formed in the housing and opposed to a center portion of the impeller. An ... | 09/13/2011 |
| 8007232 | Centrifugal fan and impeller thereof A centrifugal fan includes a fan frame (20) and an impeller (40) received in the fan frame. The impeller includes a hub (41) having a circular top wall (410) and a cylindrical side wall (412) extending downwardly from a rim of the ... | 08/30/2011 |
| 7909571 | Centrifugal fan and frame thereof A frame for a centrifugal fan. The frame includes an air inlet and an air outlet. A first barricade is formed on one side of the air inlet and extends outwardly, preventing impurities from entering the air inlet. A second barricade is formed on part of the periphery... | 03/22/2011 |
| 7887290 | Blower A blower includes a housing and an impeller. The housing has a main inlet and at least one secondary inlet. The impeller is disposed in the housing and has a hub, a plurality of blades and at least one annular plate. Those blades are disposed around the hub. The ann... | 02/15/2011 |
| 7887289 | Blower system The invention provides a blower system of a high performance, which is constructed to have stabilized characteristics, a high efficiency, a reduced thickness and a reduced noise. A blower system according to the invention includes an impeller, a motor for rotating t... | 02/15/2011 |
| 7878757 | Centrifugal water pump A centrifugal water pump for use in a diesel engine cooling system provides an improved water pump construction including multiple features which combine to provide increased operating life for the supporting and wearing components of the pump. The improvements incl... | 02/01/2011 |
| 7780406 | Molded pump An injection molded commercial pool pump is provided having a motor, an adapter plate connected to the motor, a housing connected to the adapter plate further comprising a channel, a sealing plate positioned between the adapter plate and housing, an impeller connect... | 08/24/2010 |
| 7740447 | Centrifugal pump for abrasive fluid A centrifugal pump for abrasive fluid. The pump may include a bearing housing mounted to a tank containing an abrasive fluid. The bearing housing may house wear-susceptible components in a manner distancing and isolating the components from the fluid. A shaft may be... | 06/22/2010 |
| 7628582 | Air blower The air blower includes a case body having an air suction mouth and an outlet formed at a peripheral wall thereof; a motor which is installed into the case body, having a fluid dynamic bearing; and an impeller which is fixed to a rotation member of the motor, having... | 12/08/2009 |
| 7607886 | Heat-dissipating device A heat-dissipating device includes a housing having at least one opening, and a rotor disposed in the housing and having a base, a hub, a first set of blades disposed around the hub, and a second set of blades disposed on the base for increasing air volume and stabi... | 10/27/2009 |
| 7604457 | Volute for a centrifugal compressor A volute for use in a centrifugal compressor that includes an impeller. The volute includes a housing defining a central aperture, an inlet channel, and a fluid collecting channel. The central aperture is adapted to receive the impeller such that the impeller discha... | 10/20/2009 |
| 7591633 | Centrifugal blower for air handling equipment An air handling blower for HVAC equipment includes a blower housing adapted to accommodate centrifugal impellers of selected inside and outside diameters of the impeller blades wherein the inside diameter of the largest diameter impeller accommodated by the housing ... | 09/22/2009 |
| 7500826 | Centrifugal fan A centrifugal fan includes a spiral-shaped housing with a driving mechanism and multiple internally mounted centrifugal impellers. The driving mechanism is mounted on a circular base. At least two support brackets links the circular base to the spiral-shaped housing... | 03/10/2009 |
| 7455500 | Modular ventilating exhaust fan assembly and method A ventilation exhaust fan is provided, and in some embodiments includes a housing adapted to interchangeably receive a first module having a first support plate and a second module having a second support plate. Each of the first and second modules have at least one... | 11/25/2008 |
| 7455499 | Centrifugal fan A fan includes a fan housing located on an axis. The apparatus has axially front and rear sections that together define a chamber. Air can enter the chamber through an inlet in the front section. An impeller in the chamber is configured to rotate about the axis to d... | 11/25/2008 |
| 7416384 | Electric blower and vacuum cleaner using same An electric blower includes an electric motor including a stator and a rotor. The impeller is rotated by the electric motor. An air guide having a plurality of guide blades is disposed around the impeller, and a casing encloses the impeller and the air guide. The ca... | 08/26/2008 |
| 7381027 | Fan motor A fan motor having a small thickness and its impeller's blades formed to have a longer length in the diametrical direction than a width in the axial direction. Since the blade of the fan motor has a tooth structure or chamfers at its edge end in the diametrical dire... | 06/03/2008 |
| 7377745 | Water pump A water pump includes an impeller; an impeller shaft around which the impeller rotates; a first bearing portion that supports one end of the impeller shaft; a second bearing portion that supports the other end of the impeller shaft; a housing portion in which the im... | 05/27/2008 |
| 7374399 | Inline fan housing assemblies The present invention relates to an inline fan housing assembly adaptable for connection with conduits of various diameters. The inline fan housing assembly comprises a connector collar for connection to the inlet or exhaust ports of the fan housings to adapt the fa... | 05/20/2008 |
| 7371045 | Pump apparatus and method A pump including a pump housing, a fluid inlet, a fluid outlet, a pumping chamber in fluid communication with both the fluid inlet and the fluid outlet, a motor for pumping a working fluid, and a plate that is at least partially constructed of a heat conductive mate... | 05/13/2008 |
| 7367201 | Air conditioning fan An air conditioning fan apparatus including a ceiling fan unit, an air conditioning unit and a motor unit, all suspended as an integral device to a ceiling inside a user's home or office. The ceiling fan unit includes a multiplicity of fan blades each having evapora... | 05/06/2008 |
| 7359196 | Dual impeller push-pull axial fan heat sink A fan sink that includes a dual impeller push-pull axial fan and a heat sink to cool a hot electronic device is presented. The axial fan has a hub motor, a first impeller that is radially proximate to the hub motor, and a second impeller that is radially distal to t... | 04/15/2008 |
| 7359205 | Bottom exit of exhaust air from a chassis to reduce acoustics emission Embodiments of the present invention recite an electronic device comprising a chassis, a backplane, at least one heat generating component coupled with the backplane, and a fan. In embodiments of the present invention, the chassis comprises at least one air inlet di... | 04/15/2008 |
| 7351031 | Centrifugal blower A centrifugal blower includes a housing, an impeller, and a guiding cover. The housing includes a compartment delimited by an annular wall. A radial air inlet is defined in the annular wall and communicated with the compartment. The compartment includes an axial ope... | 04/01/2008 |
| 7338256 | Blower A blower comprises a housing and an impeller. The housing comprises a side outlet and an inlet comprising a predetermined profile, and the impeller is disposed in the housing. The predetermined profile is quadratrical, elliptical, polygonal, non-coaxial circle, or i... | 03/04/2008 |
| 7338254 | Turbocharger with sliding piston assembly A turbocharger having a sliding piston assembly comprising a tubular piston disposed in the bore of the turbine housing such that the piston is axially slidable relative to the turbine housing. The piston assembly further comprises a tubular carrier inserted axially... | 03/04/2008 |
| 7338252 | Pump for the transporting of fluids and of mixtures of fluids A pump for the transporting of fluids and/or of mixtures of fluids includes a housing (1) and at least one restrictor gap seal which is provided in the housing (1) to reduce the pressure in a restrictor gap along a rotatable part (2) of the pump... | 03/04/2008 |
| 7334986 | Centrifugal fan A centrifugal fan, in which an expansion angle of a radius of curvature of the outer periphery of a scroll housing from a position angle of a cutoff portion, serving as a suction portion, to a designated portion from the former in the direction of air flow is gradua... | 02/26/2008 |
